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(11) | EP 0 694 836 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | A case base system |
(57) A case base system (1) does not need a decision structure such as a rule base as
it uses both automatic (46) and interactive steps (47-48) which are carried out in
real time to retrieve the most appropriate case. Case filtering (5) is carried out
to immediately provide an initial candidate set by elimination of incompatible case
records according to received free features. The free features are addressable as
such in the case records. A primary processor (6) carries out pattern matching operations
(46) correlating feature values and solutions in case records (10) of a candidate
set. By doing this, it automatically identifies the most discriminating feature for
the candidate set. The primary processor (6) interactively provides feedback (47-48)
and receives a value for the most discriminating feature and further reduces the candidate
set. The automatic and interactive steps are repeated in cycles until all remaining
case records have the same solution (45). |